Non-unique Elements

Elementary+

We have prepared a set of Editor's Choice Solutions. You will see them first after you solve the mission. In order to see all other solutions you should change the filter.

Wenn Sie 50 verschiedene Steckertypen haben, wären die Geräte nicht verfügbar und sehr teuer teuer. Aber sobald eine Steckdose standardisiert ist, können viele Unternehmen geräte entwickeln, und es entsteht ein Wettbewerb, der für Vielfalt und bessere Preise für die Verbraucher sorgt.
-- Bill Gates

Sie erhalten eine nicht leere Folge von ganzen Zahlen. Für diese Aufgabe sollten Sie Iterable (Iterable) zurückgeben, das nur aus den nicht eindeutigen Elementen der Ausgangssequenz besteht. Dazu müssen Sie alle eindeutigen Elemente entfernen (Elemente, die in einer gegebenen Folge nur einmal enthalten sind). Ändern Sie beim Lösen dieser Aufgabe nicht die Reihenfolge der Elemente. Beispiel: in [1, 2, 3, 1, 3]...

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CheckiO Extensions

CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.

In order to install CheckiO client you'll need installed Python (version at least 3.8)

Install CheckiO Client first:

pip3 install checkio_client

Configure your tool

checkio --domain=py config --key=

Sync solutions into your local folder

checkio sync

(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)

checkio serv -d

Alternatevly, you can install Chrome extension or FF addon

checkio install-plugin

checkio install-plugin --ff

checkio install-plugin --chromium

Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.

Pair Programming (Beta-version)

Welcome to Pair Programming! Engage in real-time collaboration on coding projects by starting a session and sharing the provided unique URL with friends or colleagues. This feature is perfect for joint project development, debugging, or learning new skills together. Simply click 'Start Session' to begin your collaborative coding journey!

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